Home / 302,022,969.60-453,146,428.80-120,400,492.80

Finding the Fourth Proportional to 302,022,969.60, 453,146,428.80 and 120,400,492.80

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Solution

The fourth proportional to 302,022,969.60, 453,146,428.80 and 120,400,492.80 is: 180,645,377.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,022,969.60 : 453,146,428.80 = 120,400,492.80 : x
  2. Step 2: Convert to fraction form
    302,022,969.60/453,146,428.80 = 120,400,492.80/x
  3. Step 3: Cross multiply
    302,022,969.60x = 453,146,428.80 × 120,400,492.80
  4. Step 4: Simplify right side
    302,022,969.60x = 54,559,053,338,080,112
  5. Step 5: Solve for x
    x = 54,559,053,338,080,112/302,022,969.60
  6. Step 6: Final answer
    x = 180,645,377.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.